package com.song.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

/**
 * 不登陆，内部网页不能查看
 *
 * @author song
 */
@WebFilter({"/pages/index.html","/pages/welcome.html","/pages/game/*","/pages/player/*","/pages/team/*"})
public class LoginFilter implements Filter {


    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest)servletRequest;
        HttpServletResponse response = (HttpServletResponse)servletResponse;

        Object admin = request.getSession().getAttribute("admin");
        if (admin != null){

            filterChain.doFilter(servletRequest,servletResponse);
        }else{
            response.sendRedirect("/pages/login.html");
        }

    }

    @Override
    public void destroy() {
    }
}
